A toy calorimeter, which is a plastic cylindral container with two electric binding posts on its top, with openings for manual thermometer and manuar stirrer insterts. Inside it is a small metal cup insulated from the outer container with plastic foam.

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1. niconiconi (niconiconi@mk.absturztau.be)'s status on Saturday, 11-Jan-2025 04:03:39 JST niconiconi

   Just got several of these toy calorimeters, meant to teach 7th graders about specific heat and Joule's law. My plan is replacing the heater coils with 50 Ω coax loads, adding motorized stirrers, instrumentation with PT1000 probes, and running two of them in a differential bridge configuration, actively balanced by opamps for RMS to DC conversion, upgrading them from 7th grade physics to college physics. #electronics